// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-promise.allsettled-reject-element-functions
description: The [[Extensible]] slot of Promise.allSettled Reject Element functions
info: |
  17 ECMAScript Standard Built-in Objects:
    Unless specified otherwise, the [[Extensible]] internal slot
    of a built-in object initially has the value true.
features: [Promise.allSettled]
---*/

function Test() {
    var rejectElementFunction;
    var thenable = {
      then(_, reject) {
        rejectElementFunction = reject;
      }
    };

    function NotPromise(executor) {
      executor(function() {}, function() {});
    }
    NotPromise.resolve = function(v) {
      return v;
    };
    Promise.allSettled.call(NotPromise, [thenable]);

    assert(Object.isExtensible(rejectElementFunction));
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
